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Finding the Fourth Proportional to 60,676.52, 90,943.28 and 27,357.57

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Solution

The fourth proportional to 60,676.52, 90,943.28 and 27,357.57 is: 41,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.52 : 90,943.28 = 27,357.57 : x
  2. Step 2: Convert to fraction form
    60,676.52/90,943.28 = 27,357.57/x
  3. Step 3: Cross multiply
    60,676.52x = 90,943.28 × 27,357.57
  4. Step 4: Simplify right side
    60,676.52x = 2,487,987,148.63
  5. Step 5: Solve for x
    x = 2,487,987,148.63/60,676.52
  6. Step 6: Final answer
    x = 41,004.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.